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CO Chemisorption on Vicinal Rh(111) Surfaces Studied with a Curved Crystal

Garcia-Martinez, Fernando (author)
Centro de Fĺsica de Materiales CSIC, UPV-EHU-Materials Physics Center, Manuel Lardizabal 5, San Sebastian, 20018, Spain
Schiller, Frederik (author)
Centro de Fĺsica de Materiales CSIC, UPV-EHU-Materials Physics Center, Manuel Lardizabal 5, San Sebastian, 20018, Spain
Blomberg, Sara (author)
Lund University,Lunds universitet,Avdelningen för kemiteknik,Institutionen för processteknik och tillämpad biovetenskap,Institutioner vid LTH,Lunds Tekniska Högskola,Synkrotronljusfysik,Fysiska institutionen,Division of Chemical Engineering,Department of Process and Life Science Engineering,Departments at LTH,Faculty of Engineering, LTH,Synchrotron Radiation Research,Department of Physics,Faculty of Engineering, LTH
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Shipilin, Mikhail (author)
Stockholm University,Lund University,Lunds universitet,Stockholms universitet,Fysikum,Synchrotron Radiation Research, Lund University, Lund, 22100, Sweden; Department of Physics, AlbaNova University Center, Stockholm University, Stockholm, 10691, Sweden,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Merte, Lindsay R. (author)
Malmö University,Lund University,Lunds universitet,Malmö universitet,Institutionen för materialvetenskap och tillämpad matematik (MTM),Synchrotron Radiation Research, Lund University, Lund, 22100, Sweden,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Gustafson, Johan (author)
Lund University,Lunds universitet,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Lundgren, Edvin (author)
Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Enrique Ortega, J. (author)
Centro de Fĺsica de Materiales CSIC, UPV-EHU-Materials Physics Center, Manuel Lardizabal 5, San Sebastian, 20018, Spain; Departamento Fĺsica Aplicada i, Universidad Del Paĺs Vasco, San Sebastian, 20018, Spain; Donostia International Physics Centre, Paseo Manuel de Lardizabal 4, San Sebastian, 20018, Spain,Donostia International Physics Center (DIPC)
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 (creator_code:org_t)
2020-02-04
2020
English.
In: The Journal of Physical Chemistry C. - : American Chemical Society (ACS). - 1932-7447 .- 1932-7455. ; 124:17, s. 9305-9313
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Curved crystal surfaces enable the systematic and accurate comparison of physical and chemical processes for a full set of vicinal crystal planes, which are probed in the very same environment. Here, we examine the early stages of the CO chemisorption on vicinal Rh(111) surfaces using a curved Rh crystal that exposes a smoothly variable density of {100} (A-type) and {111} (B-type) steps. We readily identify and quanti step and terrace species by resolving their respective core-level lines using X-ray photoelectron spectroscopy at different locations on the curved surface. Uptake experiments show similar sticking probabilities at all surface planes, subtle asymmetries between A- and B-type steps, and significantly lower saturation coverage at densely stepped surfaces as compared to the (111) plane. The analysis of the C is intensity variation across the curved sample allows us to discuss the adsorption geometry around the step edge.

Subject headings

NATURVETENSKAP  -- Kemi -- Fysikalisk kemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences -- Physical Chemistry (hsv//eng)
TEKNIK OCH TEKNOLOGIER  -- Materialteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Materials Engineering (hsv//eng)
NATURVETENSKAP  -- Fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences (hsv//eng)
NATURVETENSKAP  -- Kemi -- Materialkemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences -- Materials Chemistry (hsv//eng)
NATURVETENSKAP  -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Condensed Matter Physics (hsv//eng)

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